Home / 14,307.36-19,744.14-8,019.72

Finding the Fourth Proportional to 14,307.36, 19,744.14 and 8,019.72

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Solution

The fourth proportional to 14,307.36, 19,744.14 and 8,019.72 is: 11,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.36 : 19,744.14 = 8,019.72 : x
  2. Step 2: Convert to fraction form
    14,307.36/19,744.14 = 8,019.72/x
  3. Step 3: Cross multiply
    14,307.36x = 19,744.14 × 8,019.72
  4. Step 4: Simplify right side
    14,307.36x = 158,342,474.44
  5. Step 5: Solve for x
    x = 158,342,474.44/14,307.36
  6. Step 6: Final answer
    x = 11,067.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.